![Mamatha Devanaboina](https://jobicy.com/react/themes/app/images/avatar.jpg) Mamatha Devanaboina # Senior Data Analyst / Data Engineer Open to offers · Member since 27 Jul 2026 [Message](https://jobicy.com/dashboard-page.md) ShareLocationFrisco, United StatesDesired salaryUnspecifiedWork preferenceRemote Only / Full TimeExperience levelSenior * [Overview](#overview) * [Portfolio 0](#portfolio) * [Services 0](#services) ## About Professional summaryI am a Senior Data Analyst and Data Engineer with more than 5 years of experience working across healthcare and enterprise data environments. My background includes Oracle SQL, PL/SQL, data warehousing, ETL validation, production support, and enterprise reporting. I have worked extensively on complex query development, performance tuning, stored procedures, packages, triggers, cursors, and analytical window functions. I have strong experience investigating data anomalies, performing root cause analysis, and reconciling source-to-target data across Oracle, PostgreSQL, Redshift, Snowflake, and cloud platforms. I also have hands-on experience with data governance, metadata documentation, data lineage, and master data management concepts. In recent roles, I have supported healthcare data processing and reporting, including Medicare claims and enterprise datasets. I have collaborated closely with business analysts, ETL developers, DBAs, QA teams, and data management teams in Agile environments to deliver reliab ## Skills 38 capabilities[Apache Airflow](https://jobicy.com/talent/apache-airflow.md)[Apache Kafka](https://jobicy.com/talent/apache-kafka.md)[Apache Spark](https://jobicy.com/talent/apache-spark.md)[AWS Glue](https://jobicy.com/talent/aws-glue.md)[Azure Event Hubs](https://jobicy.com/talent/azure-event-hubs.md)[CI CD](https://jobicy.com/talent/ci-cd.md)[Data Analysis](https://jobicy.com/talent/data-analysis.md)[Data Governance](https://jobicy.com/talent/data-governance.md)[Data Lineage](https://jobicy.com/talent/data-lineage.md)[Data Modeling](https://jobicy.com/talent/data-modeling.md)[Data Validation](https://jobicy.com/talent/data-validation.md)[Data Warehousing](https://jobicy.com/talent/data-warehousing.md)[Databricks](https://jobicy.com/talent/databricks.md)[DAX](https://jobicy.com/talent/dax.md)[DBT](https://jobicy.com/talent/dbt.md)[ETL](https://jobicy.com/talent/etl.md)[fastAPI](https://jobicy.com/talent/fastapi.md)[HIPAA](https://jobicy.com/talent/hipaa.md)[Infrastructure as Code](https://jobicy.com/talent/infrastructure-as-code.md)[Java](https://jobicy.com/talent/java.md)[LLMs)](https://jobicy.com/talent/llms.md)[Model Monitoring](https://jobicy.com/talent/model-monitoring.md)[MongoDB](https://jobicy.com/talent/mongodb.md)[MySQL](https://jobicy.com/talent/mysql.md)[NLP](https://jobicy.com/talent/nlp.md)[Performance Tuning](https://jobicy.com/talent/performance-tuning.md)[Pl SQL](https://jobicy.com/talent/pl-sql.md)[PostgreSQL](https://jobicy.com/talent/postgresql.md)[Power BI](https://jobicy.com/talent/power-bi.md)[Prompt Engineering](https://jobicy.com/talent/prompt-engineering.md)[Pyspark](https://jobicy.com/talent/pyspark.md)[Python](https://jobicy.com/talent/python.md)[PyTorch](https://jobicy.com/talent/pytorch.md)[RAG](https://jobicy.com/talent/rag.md)[Root Cause Analysis](https://jobicy.com/talent/root-cause-analysis.md)[Snowflake](https://jobicy.com/talent/snowflake.md)[SQL](https://jobicy.com/talent/sql.md)[Tableau](https://jobicy.com/talent/tableau.md) ## Tech stack & tools Working toolkit ### Application Hosting [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/azure/azure-original.svg) Azure](https://jobicy.com/talent?tool=azure.md) ### Data Stores [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/mongodb/mongodb-original.svg) MongoDB](https://jobicy.com/talent?tool=mongodb.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/mysql/mysql-original.svg) MySQL](https://jobicy.com/talent?tool=mysql.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/oracle/oracle-original.svg) Oracle Database](https://jobicy.com/talent?tool=oracle.md)[![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/postgresql/postgresql-original.svg) PostgreSQL](https://jobicy.com/talent?tool=postgresql.md) ### Development [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/terraform/terraform-original.svg) Terraform](https://jobicy.com/talent?tool=terraform.md) ### Languages & Frameworks [![Image](https://cdn.jsdelivr.net/gh/devicons/devicon@master/icons/fastapi/fastapi-original.svg) FastAPI](https://jobicy.com/talent?tool=fastapi.md) ## Experience Career history ### Data / AI & ML Engineer · Quest Diagnostic Jan 2025 – PresentI develop complex Oracle SQL solutions to analyze enterprise healthcare datasets and investigate production data anomalies across data warehouse and OLTP environments. I design and maintain PL/SQL stored procedures, packages, functions, triggers, and cursors to automate validation, transformation, and reconciliation processes. I also use analytical SQL functions and performance tuning techniques to improve batch processing and reporting efficiency. In addition, I build RAG and LLM-based solutions with FastAPI and vector databases to support intelligent retrieval and natural language access for enterprise healthcare data. ### Data Scientist/Control-M SME · CVS Health Jun 2024 – Jan 2025I developed and optimized Oracle SQL queries to support production analysis, enterprise reporting, and daily reconciliation workflows. I investigated data anomalies, performed root cause analysis, and supported production validation and break-fix activities across warehouse and ODS environments. I also monitored Control-M scheduled ETL workflows and validated data replication between operational systems and enterprise data warehouses. I worked in Agile environments while supporting multiple production requests and maintaining metadata, data dictionary, and lineage documentation. ### Data Engineer / Data Scientist · Ascension Health May 2023 – May 2024I developed complex SQL queries and Oracle PL/SQL routines to analyze Medicare claims and enterprise healthcare data. I collaborated with business, ETL, DBA, and QA teams to validate transformation logic, investigate production issues, and support ETL validation and deployment activities. I also maintained data governance artifacts such as data dictionary, lineage, metadata, and business rules. I performed data cleansing, reconciliation, and query tuning to improve reporting quality and operational insights. ### Data Analyst · AIG Hospitals Jan 2020 – Jul 2022I developed Oracle SQL queries and PL/SQL procedures to support enterprise healthcare reporting and operational analytics. I designed triggers, stored procedures, functions, cursors, and packages, and used analytical functions, BULK COLLECT, FORALL, and exception handling to improve batch processing performance. I also supported data warehouse and ETL validation activities. I worked with ETL developers, business analysts, and DBAs to troubleshoot ETL failures, document mappings, and improve data quality through cleansing, reconciliation, and production validation. ## Education Learning historyNo education data available. This professional hasn’t added portfolio projects yet. This professional hasn’t listed any services yet.